CVE-2026-23794

Reflected XSS in Apache Syncope's Enduser Login page. An attacker that tricks a legitimate user into clicking a malicious link and logging in to Syncope Enduser could steal that user's credentials. This issue affects Apache Syncope: from 3.0 through 3.0.15, from 4.0 through 4.0.3. Users are recommended to upgrade to version 3.0.16 / 4.0.4, which fix this issue.

CVSS v3 6.8 MEDIUM

6.8^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.3 / Impact : 4.0

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://lists.apache.org/thread/7h30ghqdsf3spl3h7gdmscxofrm8ygjo	Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2026/02/02/1	Mailing List Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:apache:syncope::::::::
	cpe:2.3:a:apache:syncope::::::::

History

No history.

Information

Published : 2026-02-03 16:16

Updated : 2026-02-06 14:44

NVD link : CVE-2026-23794

Mitre link : CVE-2026-23794

CVE.ORG link : CVE-2026-23794

JSON object : View

Products Affected

apache

syncope

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

{"id": "CVE-2026-23794", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.8, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 4.0, "exploitabilityScore": 2.3}]}, "published": "2026-02-03T16:16:13.183", "references": [{"url": "https://lists.apache.org/thread/7h30ghqdsf3spl3h7gdmscxofrm8ygjo", "tags": ["Mailing List", "Third Party Advisory"], "source": "security@apache.org"}, {"url": "http://www.openwall.com/lists/oss-security/2026/02/02/1", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "security@apache.org", "description": [{"lang": "en", "value": "CWE-79"}]}], "descriptions": [{"lang": "en", "value": "Reflected XSS in Apache Syncope's Enduser Login page.\nAn attacker that tricks a legitimate user into clicking a malicious link and logging in to Syncope Enduser could steal that user's credentials.\n\nThis issue affects Apache Syncope: from 3.0 through 3.0.15, from 4.0 through 4.0.3.\n\nUsers are recommended to upgrade to version 3.0.16 / 4.0.4, which fix this issue."}, {"lang": "es", "value": "XSS Reflejado en la p\u00e1gina de inicio de sesi\u00f3n de usuario final de Apache Syncope.\nUn atacante que enga\u00f1a a un usuario leg\u00edtimo para que haga clic en un enlace malicioso y se conecte a Syncope Enduser podr\u00eda robar las credenciales de ese usuario.\n\nEste problema afecta a Apache Syncope: desde la 3.0 hasta la 3.0.15, desde la 4.0 hasta la 4.0.3.\n\nSe recomienda a los usuarios actualizar a la versi\u00f3n 3.0.16 / 4.0.4, que corrige este problema."}], "lastModified": "2026-02-06T14:44:43.847", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:apache:syncope:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E48D90FB-E49B-4FD5-B184-3049D3087635", "versionEndExcluding": "3.0.16", "versionStartIncluding": "3.0.0"}, {"criteria": "cpe:2.3:a:apache:syncope:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "877C8861-D17C-4BBE-A0C0-E3FDACB7CF9C", "versionEndExcluding": "4.0.4", "versionStartIncluding": "4.0.0"}], "operator": "OR"}]}], "sourceIdentifier": "security@apache.org"}